Nokia Lumia 520 - Manual (Page 15)

Unlock the keys and screen
Press the power key, and drag the lock screen up.
Tip: Instead of pressing the power key, you can also double-tap the screen if double-tap is
switched on. To switch on double-tap, on the start screen, swipe down from the top of the
screen, tap ALL SETTINGS > touch, and switch Wake up to On .
Set the keys and screen to lock automatically
On the start screen, swipe down from the top of the screen, tap ALL SETTINGS > lock screen > Screen
times out after, and select the length of time after which the keys and screen are locked
automatically.
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